We all know what a power cut is. The lights go out, everything stops, and you wait for the power company to get you up and running again. But what about when the lights dim / flicker or the heat pump suddenly sounds like it’s having to work a lot harder? That’s called a brown-out , and it can quietly cause more damage than you’d think. So, what exactly is a brown-out? A brown-out happens when the voltage in your electrical system drops below normal levels. It's not enough to